Answer:
17 3 and 4
Step-by-step explanation:
Answer:
n(E) = 6
Step-by-step explanation:
That's to say that there are 6 five-digit numbers with 7 in the first place and 8 in the last place, using the digits 2, 3, 4, 7 and 8. Therefore n(E) = 6.
Answer:
E(X) = 1.28
Var(X) = 0.6016
E(X | Y=2) = 1.6667
Var(X | Y=2) = 0.4272
Step-by-step explanation:
The cost of the utility pole is $707. 32
<h3>
How to determine the volume</h3>
From the information given, we have the following deductions:
- Density = 7.6 g/cm³
- Mass = Ikg = 1000g
- Cost per mass = $0. 51
Let's determine the volume of this cylinder:
Volume = mass / density
Substitute the values
Volume =
Volume = 131. 58 cm³
Thus, 131. 58 cm³ costs $0. 51
For the utility pole;
Volume = 2 πr²h
Where:
- r is 8. 8cm
- height is 750cm
Volume = 3. 142 × 8. 8 × 8. 8 × 750
Volume = 182, 487. 36 cm³
If 131. 58 cm³ costs $0. 51
Then 182, 487. 36 cm³ will cost:
= 182, 487. 36 × 0. 51/ 131. 58
= 93068. 55/ 131. 58
= $707. 32
Thus, the cost of a utility pole is $707. 32
Learn more about volume here:
brainly.com/question/10373132
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Answer:
last option
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